Background and activities

High Temperature Heat Pumps

Hybrid Heat Pumps

Ammonia-water absoprtion/compression cycles

Scientific, academic and artistic work

Journal publications

Part of book/report

  • Ahrens, Marcel Ulrich; Hafner, Armin; Eikevik, Trygve Magne. (2019) Development of Ammonia-Water Hybrid Absorption- Compression Heat Pumps. 25th IIR International Congress of Refrigeration Proceedings.
  • Ahrens, Marcel Ulrich; Hafner, Armin; Eikevik, Trygve Magne. (2019) Compressors for ammonia-water hybrid absorption-compression heat pumps. 8th Conference on Ammonia and CO2 Refrigeration Technologies, Proceedings.
  • Bantle, Michael; Schlemminger, Christian; Gabrielii, Cecilia H; Ahrens, Marcel Ulrich. (2019) Turbo-compressors for R-718: Experimental evaluation of a two-stage steam compression cycle. 25th IIR International Congress of Refrigeration Proceedings.
  • Bantle, Michael; Schlemminger, Christian; Ahrens, Marcel Ulrich; Evenmo, Kjetil. (2018) Kennfeld und Leistungsanalyse einer zweistufigen Turbokompressor-Brüdenverdichtung. DKV-Tagungsbericht 2018 Aachen, 21. – 23. November 2018.
  • Bantle, Michael; Schlemminger, Christian; Tolstorebrov, Ignat; Ahrens, Marcel Ulrich; Evenmo, Kjetil. (2018) Performance evaluation of two-stage mechanical vapour recompression with turbo-compressors. Proceedings of the 13th IIR Gustav Lorentzen Conference, Valencia, 2018.

Report/dissertation